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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has been successfully maintained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has been successfully maintained" is correct and usable in written English.
You can use it to indicate that something has been kept in good condition or preserved effectively over a period of time. Example: "The historical site has been successfully maintained, allowing visitors to appreciate its original architecture."
✓ Grammatically correct
Science
News & Media
Academia
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
Employing the VASC, the output signal level has been successfully maintained within the error of 0.2 dB for the dynamic range of 8 dBp-p and the channel count from 4 to 32.
Science
While the success of this new gene family was mixed in ray-finned fish (zebrafish has 4 RNase A genes, but fugu and Tetraodon seem to have none), it has been successfully maintained and underwent a large diversification in tetrapods.
Science
Apart from being an achievement of great economic interest, the synthesis of A. proylei is a unique example of interspecific hybridization in insects, which, in spite of a great disparity in the chromosome numbers of parental species, has been successfully maintained internationally in the descending generations (Jolly et al., 1973).
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Human embryonic stem (hES) cells have been successfully maintained using human-cell feeder systems or feeder-free systems.
Science
Newspaper distribution is thought to have been successfully maintained in the most areas of the UK despite the weather – but many readers abandoned habits such as picking up a paper.
News & Media
Uniform-sized hEBs produced by manual passaging using a 1∶4 split ratio have been successfully maintained for over 20 continuous passages.
Science
Teratomas in both contexts have been successfully maintained in culture [ 26– 29].
Science
LoxP OUT fish have been successfully maintained for over four generations.
Science
taeniata, P. suturalis, P. tohiveana, P. mooreana and P. mirabilis) have been successfully maintained in captivity for over two decades by The Partulid Global Species Management Programme, and two species (P. exigua and P. aurantia) are extinct [ 13].
Science
The Consortium, whose goals and membership are growing, has been successfully established and maintained.
Science
This tool has been successfully used to maintain the high quality of the device characteristics in high-volume production of 4″ GaAs-based HBTs.
Science
Expert writing Tips
Best practice
Use "has been successfully maintained" to emphasize that something has not only been kept in its original state but that the efforts to do so have been effective. This is particularly useful when highlighting achievements in preservation or upkeep.
Common error
Avoid using "has been successfully maintained" excessively in passive voice. Over-reliance on passive voice can make writing sound vague and less engaging. Whenever possible, rephrase sentences to use active voice for a more direct and impactful tone.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has been successfully maintained" functions as a passive construction, typically used to describe the state of something that has been preserved or kept in a desired condition through effective efforts. Ludwig confirms its grammatical correctness and usability.
Frequent in
Science
60%
News & Media
20%
Academia
10%
Less common in
Wiki
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "has been successfully maintained" is a grammatically sound and frequently used phrase that conveys the effective preservation or upkeep of something. Ludwig confirms its correctness and suggests its use in contexts where highlighting the achievement of maintenance efforts is crucial. While versatile, it is most commonly found in scientific, news-related, and academic publications. When writing, be mindful of overusing passive constructions and consider using more active alternatives when appropriate. Remember that, as Ludwig indicates, this phrase effectively underscores that the maintenance goals were achieved. Furthermore, related phrases such as "has been effectively preserved" or "has been well kept" can add nuance to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has been effectively preserved
Focuses on preservation rather than maintenance, implying a one-time action with lasting results.
has been well kept
Emphasizes the quality of care and upkeep provided.
has been skillfully conserved
Highlights the expertise involved in preserving something.
has been adequately sustained
Indicates that something has been kept at a sufficient level or standard.
has been properly looked after
Focuses on the attentiveness and care given to something.
has been carefully managed
Emphasizes the control and oversight involved in maintaining something.
has been efficiently upheld
Highlights the effectiveness and resourcefulness in maintaining something.
has been favorably retained
Indicates that something has been kept in a positive or advantageous state.
has been consistently upheld
Emphasizes the continuous and unwavering effort to maintain something.
has been securely protected
Focuses on the safety and security aspects of maintaining something.
FAQs
How can I rephrase "has been successfully maintained" to sound more active?
You can use phrases like "effectively preserved", "skillfully conserved", or "carefully managed" depending on the specific context and what aspect of the maintenance you want to emphasize. Each alternative provides a slightly different nuance while conveying the successful upkeep of something.
What is the difference between "has been well maintained" and "has been successfully maintained"?
"Has been well maintained" suggests a good standard of upkeep, while "has been successfully maintained" emphasizes the effectiveness and achievement of the maintenance efforts. The latter highlights that the intended goals of the maintenance were met.
In what contexts is it most appropriate to use "has been successfully maintained"?
This phrase is most appropriate in formal and scientific contexts where it's important to highlight the successful preservation or upkeep of something. It is commonly used in science, news and media, academia, and even wiki environments.
Are there any synonyms for "has been successfully maintained" that imply a longer duration?
Yes, phrases like "has been consistently upheld" or "has been favorably retained" can imply a longer duration. These options emphasize the continuous effort or the positive outcome maintained over time.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested